Climate Letter #468

New research findings from West Antarctica.  In what usually seems to be the case, the new data points out conditions that could add an extra eight inches to sea level rise that is already expected by the end of this century, then much more in the next.  It mostly has to do with the way warm ocean water is able to reach and undercut glaciers at extended distances toward the interior of the continent.

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The Sahara Desert is warming up twice as fast as the entire globe.  Possible reasons have been identified.  This region, with about 3 million inhabitants, is larger than the lower 48 US states, and at this rate might soon become totally uninhabitable.  The adjacent Sahel region, with even more inhabitants, is also threatened.
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A new study shows how global ocean surface temperatures have changed over the last 2000 years.  The trend is marked by a slow decline for 1800 years followed by a very strong upturn in the last two centuries, closely supporting standard theories of climate history.  Multiple sources of data were synthesized to get this important result.
If you want a look at the full report and how it was done you can do so at this site:
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New 12-month global temperature records are being set monthly.  This has been going on for the last ten months.  The new El Nino event is no doubt playing a role, and will probably continue to do so for the rest of this year.
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Yet another way to dramatically increase the efficiency of cheap solar cells has been announced.  It’s hard to say what will pan out and what won’t, but this and other similar developments mostly sound like they are backed by competent research and could have an impact on the market.
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DC-powered appliances are coming.  Air conditioners from Sharp will soon be on the market, followed by a wide range of other appliances.  These will be attractive for anyone who is getting power from solar panels because there is no need to convert to AC power, which entails a loss of efficiency.  There could be other advantages, so it will be fun to see the advertising when it starts.
Carl

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